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US Patent: 442,171
Spalt Dropping Mechanisn for Shingle Sawing Machines
Patentee:
Frank Challoner (exact or similar names) - Oshkosh, Winnebago County, WI

USPTO Classifications:
83/161

Tool Categories:
woodworking machines : specialty woodworking machines : shingle machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Charles L. Goss
E. G. Asmus
Ella F. Jackman
W. C. Ruckman

Patent Dates:
Applied: Jul. 21, 1890
Granted: Dec. 09, 1890

Patent Pictures: [ 1 | 2 | 3 ]
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